For the given function find a. s(2) and ts(2) b. Find an expression for ts(x)

S(x)=x+4 and t(x)=x/2

1) a. 6 and 2 , b. x+2/2
2)a. 4 and 3 , b. x+4/2
3) a.6 and 3 , b. x+4/2